Home / 104,513.04-144,228.75-56,766.40

Finding the Fourth Proportional to 104,513.04, 144,228.75 and 56,766.40

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Solution

The fourth proportional to 104,513.04, 144,228.75 and 56,766.40 is: 78,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.04 : 144,228.75 = 56,766.40 : x
  2. Step 2: Convert to fraction form
    104,513.04/144,228.75 = 56,766.40/x
  3. Step 3: Cross multiply
    104,513.04x = 144,228.75 × 56,766.40
  4. Step 4: Simplify right side
    104,513.04x = 8,187,346,192.86
  5. Step 5: Solve for x
    x = 8,187,346,192.86/104,513.04
  6. Step 6: Final answer
    x = 78,338.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.